Prognostic value of red cell distribution width in patients undergoing percutaneous coronary intervention: a meta-analysis

Objective To evaluate the prognostic value of baseline red cell distribution width (RDW) in patients with coronary artery diseases (CADs) undergoing percutaneous coronary intervention (PCI) by conducting a meta-analysis.Design Systematic review and meta-analysis.Data source PubMed, Embase, Wanfang,...

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Main Authors: Xiaoyan Wang, Donglai Bao, Gaojiang Luo, Fuqiang Kan, Jinwei Luo, Changhao Jiang
Format: Article
Language:English
Published: BMJ Publishing Group 2020-09-01
Series:BMJ Open
Online Access:https://bmjopen.bmj.com/content/10/9/e033378.full
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author Xiaoyan Wang
Donglai Bao
Gaojiang Luo
Fuqiang Kan
Jinwei Luo
Changhao Jiang
author_facet Xiaoyan Wang
Donglai Bao
Gaojiang Luo
Fuqiang Kan
Jinwei Luo
Changhao Jiang
author_sort Xiaoyan Wang
collection DOAJ
description Objective To evaluate the prognostic value of baseline red cell distribution width (RDW) in patients with coronary artery diseases (CADs) undergoing percutaneous coronary intervention (PCI) by conducting a meta-analysis.Design Systematic review and meta-analysis.Data source PubMed, Embase, Wanfang, CNKI and VIP databases were searched from their inceptions to 19 June 2019.Eligible criteria Studies investigating the value of baseline RDW for predicting all-cause mortality, cardiovascular mortality and major adverse cardiac events (MACEs) in patients with CAD undergoing PCI were included.Data extraction and synthesis Two authors independently extracted the data and evaluated the methodological quality using the Newcastle–Ottawa Scale. STATA V.12.0 software was applied to produce the forest plots using a random-effect model.Results Twelve studies (13 articles) involving 17 113 patients were included and analysed. Comparison between the highest and lowest RDW category indicated that the pooled risk ratio (RR) was 1.77 (95% CI 1.32 to 2.37) for all-cause mortality, 1.70 (95% CI 1.25 to 2.32) for cardiovascular mortality and 1.62 (95% CI 1.21 to 2.18) for MACEs. The predictive effect of elevated RDW for all-cause mortality was stronger in the subgroup of patients without anaemia (RR 4.59; 95% CI 3.07 to 6.86) than with anaemia.Conclusions This meta-analysis indicated that elevated RDW was associated with higher risk of mortality and adverse cardiac events in patients with CAD undergoing PCI. The value of elevated RDW for predicting all-cause mortality appears to be stronger in patients without anaemia. RDW may be served as a promising prognostic biomarker in patients undergoing PCI.
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spelling doaj-art-8bd062c302824b71b696c9c0d07a36432025-01-08T08:15:11ZengBMJ Publishing GroupBMJ Open2044-60552020-09-0110910.1136/bmjopen-2019-033378Prognostic value of red cell distribution width in patients undergoing percutaneous coronary intervention: a meta-analysisXiaoyan Wang0Donglai Bao1Gaojiang Luo2Fuqiang Kan3Jinwei Luo4Changhao Jiang5Department of Gastroenterology, Central South University Third Xiangya Hospital, Changsha, Hunan, ChinaDepartment of Cardiovascular disease, Yiwu Central Hospital, Yiwu, ChinaDepartment of Cardiovascular disease, Yiwu Central Hospital, Yiwu, ChinaDepartment of Cardiovascular disease, Yiwu Central Hospital, Yiwu, ChinaDepartment of Cardiovascular disease, Yiwu Central Hospital, Yiwu, ChinaDepartment of Cardiovascular disease, Yiwu Central Hospital, Yiwu, ChinaObjective To evaluate the prognostic value of baseline red cell distribution width (RDW) in patients with coronary artery diseases (CADs) undergoing percutaneous coronary intervention (PCI) by conducting a meta-analysis.Design Systematic review and meta-analysis.Data source PubMed, Embase, Wanfang, CNKI and VIP databases were searched from their inceptions to 19 June 2019.Eligible criteria Studies investigating the value of baseline RDW for predicting all-cause mortality, cardiovascular mortality and major adverse cardiac events (MACEs) in patients with CAD undergoing PCI were included.Data extraction and synthesis Two authors independently extracted the data and evaluated the methodological quality using the Newcastle–Ottawa Scale. STATA V.12.0 software was applied to produce the forest plots using a random-effect model.Results Twelve studies (13 articles) involving 17 113 patients were included and analysed. Comparison between the highest and lowest RDW category indicated that the pooled risk ratio (RR) was 1.77 (95% CI 1.32 to 2.37) for all-cause mortality, 1.70 (95% CI 1.25 to 2.32) for cardiovascular mortality and 1.62 (95% CI 1.21 to 2.18) for MACEs. The predictive effect of elevated RDW for all-cause mortality was stronger in the subgroup of patients without anaemia (RR 4.59; 95% CI 3.07 to 6.86) than with anaemia.Conclusions This meta-analysis indicated that elevated RDW was associated with higher risk of mortality and adverse cardiac events in patients with CAD undergoing PCI. The value of elevated RDW for predicting all-cause mortality appears to be stronger in patients without anaemia. RDW may be served as a promising prognostic biomarker in patients undergoing PCI.https://bmjopen.bmj.com/content/10/9/e033378.full
spellingShingle Xiaoyan Wang
Donglai Bao
Gaojiang Luo
Fuqiang Kan
Jinwei Luo
Changhao Jiang
Prognostic value of red cell distribution width in patients undergoing percutaneous coronary intervention: a meta-analysis
BMJ Open
title Prognostic value of red cell distribution width in patients undergoing percutaneous coronary intervention: a meta-analysis
title_full Prognostic value of red cell distribution width in patients undergoing percutaneous coronary intervention: a meta-analysis
title_fullStr Prognostic value of red cell distribution width in patients undergoing percutaneous coronary intervention: a meta-analysis
title_full_unstemmed Prognostic value of red cell distribution width in patients undergoing percutaneous coronary intervention: a meta-analysis
title_short Prognostic value of red cell distribution width in patients undergoing percutaneous coronary intervention: a meta-analysis
title_sort prognostic value of red cell distribution width in patients undergoing percutaneous coronary intervention a meta analysis
url https://bmjopen.bmj.com/content/10/9/e033378.full
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